14+4 = 16-5 = 9+6 = 7+9 = 10+10 =
19-8 = 3+7 = 5+10 = 13-6 = 11-5 =
16-9 = 8+8 = 3+14 = 17-8 = 7+6 =
7+7 = 12-8 = 15-8 = 8+3 = 11-4 =